talos/website/content/docs/v0.11/Guides/resetting-a-machine.md
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Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
2021-04-26 12:43:48 -07:00

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---
title: "Resetting a Machine"
description: ""
---
From time to time, it may be beneficial to reset a Talos machine to its "original" state.
Bear in mind that this is a destructive action for the given machine.
Doing this means removing the machine from Kubernetes, Etcd (if applicable), and clears any data on the machine that would normally persist a reboot.
The API command for doing this is `talosctl reset`.
There are a couple of flags as part of this command:
```bash
Flags:
--graceful if true, attempt to cordon/drain node and leave etcd (if applicable) (default true)
--reboot if true, reboot the node after resetting instead of shutting down
```
The `graceful` flag is especially important when considering HA vs. non-HA Talos clusters.
If the machine is part of an HA cluster, a normal, graceful reset should work just fine right out of the box as long as the cluster is in a good state.
However, if this is a single node cluster being used for testing purposes, a graceful reset is not an option since Etcd cannot be "left" if there is only a single member.
In this case, reset should be used with `--graceful=false` to skip performing checks that would normally block the reset.